Definition:Letter of authority (LOA)
📜 Letter of authority (LOA) is a formal document issued by an insurer or Lloyd's syndicate granting a broker, MGA, or other intermediary specific, defined powers to act on the insurer's behalf within agreed parameters. In the insurance and reinsurance markets, an LOA typically authorizes the recipient to perform functions such as soliciting and binding risks, issuing certificates of insurance, adjusting claims up to certain thresholds, or endorsing policies — all within the limits, classes of business, and geographic territories stipulated in the letter. It is a lighter-weight instrument than a full binding authority agreement, often used for narrower or more temporary delegations.
🔧 The LOA spells out the scope and boundaries of the authority granted — including maximum policy limits, approved rating parameters, eligible lines of business, reporting obligations, and duration. Carriers use LOAs to maintain operational control while extending their distribution reach through trusted intermediaries. In the Lloyd's market, LOAs complement formal coverholder agreements and may be used when an intermediary needs authority for a specific programme or a limited book of business that does not warrant a full coverholder appointment. Outside London, similar instruments exist under various names — in the U.S. market, the concept overlaps with limited delegated authority appointments, while in Asian markets such as Singapore and Hong Kong, local regulatory requirements dictate the form and filing obligations for such delegations.
⚠️ Proper governance of LOAs is a recurring focus for regulators and carriers alike, because any authority granted to a third party exposes the insurer to the conduct risk of that party. If an intermediary exceeds the terms of an LOA — binding a risk outside the permitted class or above the authorized limit — the insurer may still be contractually or legally bound to the policyholder, depending on the jurisdiction's rules on apparent authority. Robust LOA management requires clear documentation, periodic audits, and integration with bordereaux reporting so that the insurer can monitor what business is being written in its name. As insurtech platforms increasingly automate delegated authority workflows, digital LOA issuance and real-time compliance monitoring are becoming standard features of modern delegated authority management systems.
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